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Patent number:
Patent Date:
US Patent: 132,883
Improvement in Auger-Bits
Patentee:
Richard A. Whitmore (
exact
or
similar
names) - De Witt, AR
USPTO Classifications:
408/208
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
James B. Cook
H. F. Schulyre
Patent Dates:
Granted:
Nov. 05, 1872
Patent Pictures:
USPTO
(New site tip)
Google Patents
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